Pin-fastener



N. KILDAHL.

PINFASTENER.

APPLICATION FILED SEPT. 10, I918.

1,391,480. Patentedsept. 20,1921.

i762 x. f/a. a.

awvewtor UNITED STATES NILS KILDAHL, 0F HORTON, MONTANA.

, PIN-FASTENER.

Specification of Letters Patent. Patnted Sgpt, 20, 1921,

Application filed September 10, 1913. Serial No. 253,443.

To all whom it may concern Be it known that I, NILs KILDAi-IL, a citizen of the United States, residing at Horton, in the county of Custer and State of Montana, have invented certain new and useful Improvements in Pin-Fasteners, of which the following is a specification.

This invention relates to a fastening device, and is directed particularly to an article for this purpose in the form of a pin designed particularly for fastening together, two or more sheets of paper.

The primary object of the invention is to provide a pin like article with a. fiat head to serve as a paper fastener that will be simple, inexpensive and efiicient for the purpose designed and especially so when it is employed to secure sheets of paper together for mail ng, the flat head of the improved pin permits the papers to be more closely foldedand will not cut or mar the surrounding paper when subjected to pressure.

With this object in view, together with others which will appear as the description I proceeds, the invention resides in the novel formation, combination and arrangement of parts, all-as will be described more fully hereinafter, particularly pointed out in the claim, and illustrated in the accompanying drawings in Wl11Cl1--- Figure l is a perspective view of two e s 0; 3a oer cure u r 1 1-1- sh et 1 se d to the o the n proved fasten ng device.

F1 2 is an elevation enlar ed of the img a. e: a proved fastener, and

1 1s a so an eieva ion 0 ie 'a, ener F g 3 l I t f tl f st enlarged, seen at a right angle to Fig. 2.

In the drawing, IOlIlCllCLtBS the shank of the pin fastener which Is made of wire, preferably of round cross section and pointed at one end as at 11. At its opposite end the shank is flattened in the plane of the shank to forma circular or disk like head 12 hav-Y 111g a thickness less thanthe thickness of the than the shank, it will bear lightly, if at all, on such articleswhich, if of paper, will not be disfigured by the head projecting beyond the shank as in the case of an ordinary pin, see dotted lines, Fig. 3.

The foregoing" description and the drawings have referenceto what may be considered the preferred, or approved form of my invention. may make such changes in construction and arrangement and combination of parts, ma-

pin fastener formed with a head such,

It is to be understood that I terials, dimensions, et cetera, as may prove I expedient and fallwithin the scope of the ap )ended claim. v

aving thus fully described my invention, what Iv claim as new and desire to secure by Letters Patent, is

In a paper fastener, a pin having a disk shaped head the fiat side of the disk being substantially coplanar with the side of the pin but of lesser thickness than the diameter of the pin.

In testimony whereof I afiix my signature in presence of two witnesses.

N ILS KIL DAHL.

Witnesses:

JAMES WV. NUGENT, M. F. MANN. 

